java在线调试

src/main/java/net/educoder/debugger/DebuggerController.java

@@ -2,8 +2,14 @@ package net.educoder.debugger;
 
 import com.google.gson.Gson;
 import net.educoder.model.DebugResult;
+import net.educoder.model.ShellResult;
+import net.educoder.util.ShellUtil;
 import org.apache.commons.io.FileUtils;
+import org.apache.commons.lang3.StringUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.RestController;
 
@@ -22,16 +28,13 @@ import java.util.Map;
 @RestController
 public class DebuggerController {
 
-    //    public static final String CLASS_PATHS = "/Users/youyongsheng/Desktop/ZQ/online-debug/evaluation/test-java/part4/src:/Users/youyongsheng/Desktop/ZQ/online-debug/evaluation/test-java/part4/src/precompiled.jar";
-//    public static final String MAIN_CLASS = "__Driver__";
-    public static final String CLASS_PATHS = "/Users/youyongsheng/Desktop/ZQ/online-debug/evaluation/test-java";
-    public static final String MAIN_CLASS = "Debug";
-    //    private static Debugger debugger = new Debugger(MAIN_CLASS, CLASS_PATHS);
     private static Debugger debugger = null;
     private static final Gson gson = new Gson();
 
     private String outputPath;
 
+    private final Logger logger = LoggerFactory.getLogger(DebuggerController.class);
+
 
     @GetMapping("/")
     public String home() {
@@ -44,12 +47,16 @@ public class DebuggerController {
      * @return
      * @throws Exception
      */
-    @GetMapping("/start-program")
-    public String startProgram(@RequestParam String classPath,
-                               @RequestParam String mainClass,
-                               @RequestParam String breakPoints,
+    @PostMapping("/start-program")
+    public String startProgram(@RequestParam("classPath") String classPath,
+                               @RequestParam("mainClass") String mainClass,
+                               @RequestParam("breakPoints") String breakPoints,
                                @RequestParam("fileInputPath") String fileInputPath,
-                               @RequestParam("fileOutPath") String fileOutPath) throws Exception {
+                               @RequestParam("fileOutPath") String fileOutPath,
+                               @RequestParam("originExecuteFile") String originExecuteFile) throws Exception {
+
+        // 编译代码
+        compileCode(originExecuteFile);
 
         initDebuggerInstance(mainClass, classPath);
         outputPath = fileOutPath;
@@ -199,7 +206,7 @@ public class DebuggerController {
             return gson.toJson(result);
         }
 
-//        result.setExpressions();
+        result.setExpressions(new HashMap<>());
         result.setFilename(debugger.getLocationFilename());
         result.setCurrent_line(debugger.getLocationLineNumber());
 
@@ -232,4 +239,16 @@ public class DebuggerController {
             }
         }
     }
+
+    /**
+     * 编译代码
+     *
+     * @param originalEvaluateFile 原始评测文件
+     */
+    private void compileCode(String originalEvaluateFile) {
+        String compilePath = "/data/workspace" + File.separator + originalEvaluateFile.substring(0, originalEvaluateFile.lastIndexOf("/") + 1);
+        String compileCommand = StringUtils.join("javac -g -cp ", compilePath, " ", "/data/workspace", File.separator, originalEvaluateFile);
+        ShellResult shellResult = ShellUtil.executeAndGetExitStatus(compileCommand);
+        logger.info("编译代码command:{}, status:{}, out:{}", compileCommand, shellResult.getExitStatus(), shellResult.getOut());
+    }
 }

src/main/java/net/educoder/debugger/StreamGobbler.java

@@ -26,7 +26,6 @@ public class StreamGobbler extends Thread {
 
             int i;
             while ((i = bufferedReader.read()) != -1) {
-                System.out.println(filepath+ " write---------"+(char)i);
                 fileWriter.write((char)i);
                 fileWriter.flush();
             }

src/main/java/net/educoder/model/ShellResult.java

@@ -0,0 +1,35 @@
+package net.educoder.model;
+
+
+/**
+ * shell执行结果
+ *
+ * @author 威少
+ */
+public class ShellResult {
+    /**
+     * 退出码
+     */
+    private Integer exitStatus;
+    /**
+     * 实际输出
+     */
+    private String out;
+
+
+    public Integer getExitStatus() {
+        return exitStatus;
+    }
+
+    public void setExitStatus(Integer exitStatus) {
+        this.exitStatus = exitStatus;
+    }
+
+    public String getOut() {
+        return out;
+    }
+
+    public void setOut(String out) {
+        this.out = out;
+    }
+}

src/main/java/net/educoder/util/ShellUtil.java

@@ -0,0 +1,56 @@
+package net.educoder.util;
+
+import net.educoder.model.ShellResult;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.BufferedReader;
+import java.io.InputStreamReader;
+
+
+public final class ShellUtil {
+
+    private static final Logger logger = LoggerFactory.getLogger(ShellUtil.class);
+
+    /**
+     * 执行shell命令并获取输出
+     */
+    public static String execute(String command) {
+        return executeAndGetExitStatus(command).getOut();
+    }
+
+
+    /**
+     * 执行命令并获得输出以及退出码
+     */
+    public static ShellResult executeAndGetExitStatus(String command) {
+        ShellResult result = new ShellResult();
+
+        StringBuilder out = new StringBuilder();
+        Integer exitStatus = -1;
+
+        ProcessBuilder pb = new ProcessBuilder("/bin/sh", "-c", command);
+        pb.redirectErrorStream(true);
+        try {
+            Process process = pb.start();
+            BufferedReader reader = new BufferedReader(new InputStreamReader(process.getInputStream()));
+            String line;
+            while ((line = reader.readLine()) != null) {
+                out.append(line);
+                out.append(System.getProperty("line.separator"));
+            }
+            exitStatus = process.waitFor();
+
+        } catch (Exception e) {
+            logger.error("执行shell出错, command:{}", command, e);
+        }
+
+        result.setOut(out.toString().trim());
+        result.setExitStatus(exitStatus);
+        logger.debug("execute shell command: {}, out: {}, status: {}", command, out, exitStatus);
+
+        return result;
+    }
+
+
+}

src/main/resources/application.yml

@@ -1,2 +1,2 @@
 server:
-  port: 8083
+  port: 8080